The big day is finally here: Prince Carl Philip of Sweden will marry Sofia Hellqvist in Stockholm! Now it's time to guess which bridal tiara she'll be wearing. Will it be the Cameo Tiara, the traditional Bernadotte bridal diadem? Will it be another tiara from the collection? Will Sofia wear a new tiara, or no tiara at all?

To help you with your predictions, here are photos and links to information about each of the Swedish royal family's tiaras: